Home / 724,403.05-1,087,319.72-543,860.53

Finding the Fourth Proportional to 724,403.05, 1,087,319.72 and 543,860.53

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Solution

The fourth proportional to 724,403.05, 1,087,319.72 and 543,860.53 is: 816,327.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,403.05 : 1,087,319.72 = 543,860.53 : x
  2. Step 2: Convert to fraction form
    724,403.05/1,087,319.72 = 543,860.53/x
  3. Step 3: Cross multiply
    724,403.05x = 1,087,319.72 × 543,860.53
  4. Step 4: Simplify right side
    724,403.05x = 591,350,279,198.65
  5. Step 5: Solve for x
    x = 591,350,279,198.65/724,403.05
  6. Step 6: Final answer
    x = 816,327.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.